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I got this connected from the tutor I need to know how to do the factorial in this formula to bio normal distribution formula The symbol that looks like an!

I got this connected from the tutor I need to know how to do the factorial in this formula to bio normal distribution formula The symbol that looks like an class=

Respuesta :

Binomial distribution formula:

[tex]P(x)=\frac{n!}{(n-x)!x!}*p^{`x}*q^{n-x}[/tex]

For the gien situations:

* n=15, p=0.4, find P(4 successes)

[tex]\begin{gathered} n=15 \\ p=0.4 \\ q=1-p=1-0.4=0.6 \\ x=4 \end{gathered}[/tex][tex]P(4)=\frac{15!}{(15-4)!4!}*0.4^4*0.6^{15-4}[/tex][tex][/tex]

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